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Singers Selena Gomez and Justin Bieber arrive at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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TV personality Mike "The Situation" Sorrentino arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Katy Perry arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Taylor Swift arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Actress Cheryl Hines of "Curb Your Enthusiasm" arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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TV personality Vanessa Lachey arrives at the 2011 American Music Awards held at Nokia Theatre on Nov. 20, 2011, in Los Angeles.
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Musician John Legend arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Lance Bass arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Alanis Morissette arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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From left, Amy Heidemann and Nick Noonan, of the musical group Karmin, arrive at the 39th Annual American Music Awards on Nov. 20, 2011, in Los Angeles.
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"Papa John's" founder John Schnatter arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Internet sensation Keenan Cahill arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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"House" actress Jennifer Morrison arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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From left, Musicians Neil Perry, Kimberly Perry, and Reid Perry of The Band Perry arrive at the 2011 American Music Awards on Nov. 20, 2011, in Los Angeles.
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"Modern Family" actress Sarah Hyland arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Rapper Soulja Boy arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Musician Gavin DeGraw arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Selena Gomez arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Sean Kingston arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Actor Benjamin Bratt arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011, in Los Angeles.
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Singers Selena Gomez and Justin Bieber arrive at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Lionel Richie arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Actress Julie Bowen arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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From left, musicians Chad Kroeger, Daniel Adair, Mike Kroeger and Ryan Peake of Nickelback arrive at the 2011 American Music Awards on Nov. 20, 2011, in Los Angeles.
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Singer Chaka Khan arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Adam Lambert arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Mary J. Blige arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Musicians Matt McGinley, Travie McCoy, Eric Roberts, and Disashi Lumumba-Kasongo of Gym Class Heroes arrive at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Robin Thicke arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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"Glee" actor Matthew Morrison arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
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Singer Lauren Bennett arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
AP Photo/Chris Pizzello
David Hasselhoff, right, and Hayley Roberts arrive at the 39th Annual American Music Awards on Sunday, Nov. 20, 2011, in Los Angeles.
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Singer Justin Bieber arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on Nov. 20, 2011, in Los Angeles.
